211020513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{71849}}^1$

素因数の和:71952

約数の個数: 16

約数和(自身を含む): 310392000

約数和(自身を除く): 99371487

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 71849, 215547, 790339, 2371017, 6394561, 19183683, 70340171, 211020513]

約数ペア:

[(1, 211020513), (3, 70340171), (11, 19183683), (33, 6394561), (89, 2371017), (267, 790339), (979, 215547), (2937, 71849)]